What is the purpose of this Carat adapter?

It connects diamond core drills with an M30 connection to diamond drilling machines with a 5/4" UNC male thread.

Which thread types does this adapter have?

It features a female 5/4" UNC thread on the machine side and a male M30 thread on the drill bit side.

Is this adapter suitable for wet and dry drilling?

Yes, provided that your core drill machine and diamond core bit are suited for the chosen application.

Does this adapter fit every diamond drilling machine?

It only fits machines equipped with an external 5/4" UNC spindle thread.

CARAT ES00510000 adaptor 5/4" UNC (internal thread) - M30

Name: CARAT ES00510000 adaptor 5/4" UNC (internal thread) - M30
Brand: CARAT
SKU: 04013812
Price: 25.4 EUR
Availability: PreOrder

Supplier number: CARAT ES00510000 | EAN 8714452205105

Recommended Retail Price €35.09

25.40 tax incl.

€20.99 excl. VAT (incl. all environmental contributions)

On order: delivered from 07/10/2026

Ordered before 20:00 - delivered as of 07/10/2026
Shipping costs €11.99 VAT included | Free shipping for orders over a total amount of 125 euros
Delivery by DHL
Delivered from Belgium

✆ Talk to a specialist

Seamless connection for diamond cores

Practical benefits

Precise Carat core adapter: You connect diamond core bits with an M30 fitting directly to machines with a 5/4" UNC spindle.
Reduced wobble and vibration: The precise threading ensures a snug fit to minimize play and keep your drilling accurate.
Heavy-duty steel body: Built to withstand high torque demands during demanding wet and dry diamond core drilling.

In a nutshell

The right choise for

With the Carat ES00510000 adapter, you connect diamond core bits with an M30 fitting directly to core drilling machines equipped with a 5/4" unc spindle. This eliminates the need to buy duplicate core bits and ensures maximum flexibility with your existing drilling gear. The precise thread fit provides a secure, stable connection that minimizes play and dampens wobble during demanding drilling tasks. Thanks to its heavy-duty steel body, the adapter easily withstands high torque forces in both wet and dry drilling applications, allowing you to work accurately and efficiently on every job.

Product information FAQ

€25.40

tax incl.

Key features according to our expert

Accessory/Part type: Adapter

Product description:

Adapters thread m30

All Features

Accessory/part type: Adapter

Brand CARAT
04013812
EAN 8714452205105
Supplier number CARAT ES00510000

Frequently asked questions about this product

Answered by specialists

What is the purpose of this Carat adapter?: It connects diamond core drills with an M30 connection to diamond drilling machines with a 5/4" UNC male thread.
Which thread types does this adapter have?: It features a female 5/4" UNC thread on the machine side and a male M30 thread on the drill bit side.
Is this adapter suitable for wet and dry drilling?: Yes, provided that your core drill machine and diamond core bit are suited for the chosen application.
Does this adapter fit every diamond drilling machine?: It only fits machines equipped with an external 5/4" UNC spindle thread.